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Marquise|Natural|IGI

1.50ct L SI1 Marquise Natural Diamond

VG • L/SI1 • IGI 770656457

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 770656457

Diamond specifications and retailer prices

From £2,112 GBP
As of November 7, 2026
Save £2,350 GBP (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,462 GBP at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 770656457. Listed at 6 retailers as of November 7, 2026, with prices from £2,112 to £4,462, a £2,350 spread on the same certified stone. NZ Jewellers lists it at £4,462. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.6°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 770656457
Dimensions10.94 × 5.74 × 3.61 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Top View
10.94 mm5.74 mm1.50 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770656457
Side View
Table 56.0%Crown 42.6°Girdle: THK-VTKPavilion 35.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: £4,462 GBP|Low: £1,982 GBP|High: £4,678 GBP|Avg: £2,593 GBP|+5.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6£2,009 GBP
Retailer 2£2,112 GBP
Retailer 4£2,134 GBP
Retailer 5£2,217 GBP
Retailer 3£2,456 GBP
NZ Jewellers£4,462 GBP

45 data points across 6 retailers

6 retailers£2,112 GBP to £4,462 GBP

Retailer 1
-
£2,009 GBP
Price last confirmed 7 days ago
B+
Retailer 2
-
£2,112 GBP
View
B+
Retailer 3
-
£2,134 GBP
View
B+
Retailer 4
-
£2,217 GBP
View
B+
Retailer 5
-
£2,456 GBP
View
Most Expensive
C
NZ Jewellers
033a43d2-bbd9-414f-a2f5-453b9cbdfb1c · Nov 7
£4,462 GBP
$5,972 USD
View
5 more retailers have this diamond
Prices start from £2,112 GBPSave up to £2,350 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.50ct Marquise
£2,112 GBP